Load switch arc extinguish chamber and load switch

The invention provides a load switch arc extinguish chamber and a load switch, and belongs to the technical field of switch equipment. The load switch arc extinguish chamber comprises a cylinder and a static end fixing piece, a static contact is installed on the static end fixing piece, the static contact comprises a head located in the cylinder and a rod portion penetrating through the static end fixing piece, the end, facing the rod portion, of the head is provided with a blocking face, a first sealing piece is arranged between the blocking face and the inner wall of the static end fixing piece, and the rod portion comprises a screw rod section. The screw section penetrates out of the static end fixing piece and is provided with a threaded locking piece, the rod portion comprises a polished rod section, a second sealing piece is arranged between the polished rod section and the hole wall of the penetrating hole of the static end fixing piece, and an inflation channel is formed in the rod portion. By improvi